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worker-toolkit-potion-polyglot-orig/.claude/skills/detector-cross-task-reference/SKILL.md

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+---
+name: detector-cross-task-reference
+description: |
+  Self-check whether your holistic rubric (or `instruction.md`)
+  references another task — a separate task with its own prompt, workspace, and
+  rubric that this task's grader will never see. The common slip: calibrating a
+  new task against one you wrote earlier ("the failure-mode silhouette is similar
+  to narrowed-too-early", "unlike the webhook-threat task"), which leaves a
+  dangling pointer the grader can't resolve and couples two tasks that must stand
+  alone. Each task has to be fully independent. Reads the holistic rubric file
+  that `bash scripts/guidance-target.sh <slug>` resolves + instruction.md.
+allowed-tools: Bash, Read, Write
+---
+
+# Cross-task-reference detector
+
+This skill checks whether your task stands on its own — whether your
+holistic rubric (or `instruction.md`) explains this task's expected
+behavior by pointing at a **different task**.
+
+The grader evaluates your task in isolation. It sees only this task's
+`instruction.md`, its workspace, and your holistic rubric (the file
+`bash scripts/guidance-target.sh <slug>` resolves) — never any
+other task. So a sentence like "the failure-mode silhouette is similar to
+**narrowed-too-early**" or "unlike the webhook-threat task" is a dead end: the
+grader can't look up what that other task was, and any calibration that hangs off
+the comparison is lost. It also couples two tasks that are supposed to be
+independent — if the other task is later changed or dropped, your rubric's
+meaning silently shifts.
+
+What is **not** a problem: citing your own source repo (`grep "def as_json"
+app/models/`), comparing the *product* to real companies ("similar to Earnin /
+DailyPay"), or naming general concepts, patterns, and libraries. The defect is
+specifically a pointer to *another task in the set*.
+
+Read these before deciding:
+
+1. `.claude/skills/_detector-worker-shell.md` — where to write the report and how to handle re-runs.
+2. `.claude/skills/detector-cross-task-reference/core.md` — what counts as a cross-task reference vs. what doesn't, the verdict enums, and the body schema.
+
+Compose the report per the schema in `core.md` and write it per `_detector-worker-shell.md`.
+
+## Acting on the verdict
+
+- **`clean`** — your rubric and prompt stand on their own. No references to other
+  tasks. Good. Move on.
+- **`partial-reference`** — a borderline or low-severity reference (a generic "like
+  other tasks" aside, or a token that might be a sibling-task name). Read the
+  grounding; inline whatever the reference was gesturing at so nothing depends on
+  another task.
+- **`clear-reference`** — you reference a specific other task (a named sibling, a
+  "similar to / unlike X" comparison, or borrowed calibration). Delete the
+  cross-task comparison and state the point directly in terms of *this* task's
+  own prompt and workspace. Keep any concrete in-this-task guidance (e.g. the
+  exact grep or file to check) — it's only the pointer to the other task that has
+  to go. Re-run after.
+- **`not-applicable`** — there's no holistic rubric (or prompt) to assess yet.
+  Draft it first.